Fair Value Disclosures - Investments Measured at Fair Value Based on Net Asset Value Per Share (Details) - USD ($) $ in Thousands |
3 Months Ended |
6 Months Ended |
|
May 31, 2022 |
May 31, 2022 |
Nov. 30, 2021 |
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Fair Value |
$ 1,305,000
|
$ 1,305,000
|
$ 1,012,322
|
| Unfunded Commitments |
57,154
|
57,154
|
46,683
|
| Equity Long/Short Hedge Funds |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Fair Value |
482,004
|
482,004
|
466,231
|
| Unfunded Commitments |
$ 0
|
$ 0
|
$ 0
|
| Equity Long/Short Hedge Funds | 90 Days Prior Written Notice |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Notice period redemption of investment prior written notice period |
90 days
|
90 days
|
|
| Equity Long/Short Hedge Funds | 60 Days Prior Written Notice |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Notice period redemption of investment prior written notice period |
60 days
|
60 days
|
|
| Equity Long/Short Hedge Funds | Debt Instrument, Redemption, Period One |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Fair value, investments, entities that calculate net asset value per share, redemption restriction, percentage |
63.00%
|
63.00%
|
74.00%
|
| Equity Long/Short Hedge Funds | Debt Instrument, Redemption, Period Two |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Fair value, investments, entities that calculate net asset value per share, redemption restriction, percentage |
32.00%
|
32.00%
|
21.00%
|
| Equity Funds |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Fair Value |
$ 57,760
|
$ 57,760
|
$ 32,412
|
| Unfunded Commitments |
$ 41,191
|
$ 41,191
|
10,593
|
| Estimated period for the liquidation of the underlying assets, minimum |
1 year
|
1 year
|
|
| Expected period for the liquidation of the underlying assets, maximum |
13 years
|
13 years
|
|
| Commodity Funds |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Fair Value |
$ 25,461
|
$ 25,461
|
24,401
|
| Unfunded Commitments |
$ 0
|
$ 0
|
0
|
| Commodity Funds | 60 Days Prior Written Notice |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Notice period redemption of investment prior written notice period |
60 days
|
60 days
|
|
| Multi-asset Funds |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Fair Value |
$ 418,397
|
$ 418,397
|
390,224
|
| Unfunded Commitments |
$ 0
|
$ 0
|
$ 0
|
| Multi-asset Funds | 90 Days Prior Written Notice |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Notice period redemption of investment prior written notice period |
90 days
|
90 days
|
|
| Percentage of redeemable investments |
16.00%
|
16.00%
|
22.00%
|
| Multi-asset Funds | 60 Days Prior Written Notice |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Notice period redemption of investment prior written notice period |
60 days
|
60 days
|
|
| Percentage of redeemable investments |
77.00%
|
77.00%
|
78.00%
|
| Other Funds |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Fair Value |
$ 321,378
|
$ 321,378
|
$ 99,054
|
| Unfunded Commitments |
$ 15,963
|
$ 15,963
|
$ 36,090
|
| Other Funds | 90 Days Prior Written Notice |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Notice period redemption of investment prior written notice period |
90 days
|
90 days
|
|
| Short-term Investments | 90 Days Prior Written Notice |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Notice period redemption of investment prior written notice period |
90 days
|
90 days
|
|
| Short-term Investments | 120 Days Prior Written Notice |
|
|
|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |
|
|
|
| Notice period redemption of investment prior written notice period |
120 days
|
120 days
|
|